<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>upload file</title>
</head>
<body>

<form th:action="@{/upload3}" method="post" enctype="multipart/form-data">
  <div>
    <label for="file">file</label>
    <input type="file" id="file" name="file">
  </div>
  <button type="submit">submit</button>
</form>









</body>
</html>